import java.util.Scanner;


public class Main {


    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNextInt()) {

            int x = scanner.nextInt();

            int y = scanner.nextInt();

            int z = scanner.nextInt();

            Sub sub = new Sub(x, y, z);

            System.out.println(sub.calculate());

        }

    }


}


class Base {


    private int x;

    private int y;


    public Base(int x, int y) {

        this.x = x;

        this.y = y;

    }


    public int getX() {

        return x;

    }


    public int getY() {

        return y;

    }


}


class Sub extends Base {


    private int z;


    public Sub(int x, int y, int z) {

       super(x, y);
       this.z = z;

    }


    public int getZ() {

        return z;

    }


    public int calculate() {

        return super.getX() * super.getY() * this.getZ();

    }


}